Filter housing



FIG. 1 is a perspective view, showing the new design for a filter housing;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The phantom line showing forms no part of the claimed design, and the surface shading lines are provided to illustrate contour only; they are not an indication of texture, gloss, etc. 

The ornamental design for a filter housing, as shown and described. 